os-independent weekday calculation

This commit is contained in:
Thomas Fussell 2021-02-21 08:18:26 -04:00
parent 70eb0d4e66
commit 7f51eed107

View File

@ -126,11 +126,10 @@ date date::today()
int date::weekday() const
{
#ifndef _MSC_VER
std::tm tm{0, 0, 0, day, month - 1, year - 1900, 0, 0, 0, 0, nullptr};
#else
std::tm tm{0, 0, 0, day, month - 1, year - 1900, 0, 0, 0};
#endif
std::tm tm{0};
tm.tm_mday = day;
tm.tm_mon = month - 1;
tm.tm_year = year - 1900;
std::time_t time = std::mktime(&tm);
return safe_localtime(time).tm_wday;